port.hh (8975:7f36d4436074) port.hh (9031:32ecc0217c5e)
1/*
2 * Copyright (c) 2011-2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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73 * opposite role.
74 *
75 * Each port has a name and an owner, and enables three basic types of
76 * accesses to the peer port: functional, atomic and timing.
77 */
78class Port
79{
80
1/*
2 * Copyright (c) 2011-2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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73 * opposite role.
74 *
75 * Each port has a name and an owner, and enables three basic types of
76 * accesses to the peer port: functional, atomic and timing.
77 */
78class Port
79{
80
81 public:
82
83 /** A type name for the port identifier. */
84 typedef int PortId;
85
86 /** A symbolic name for the absence of a port id. */
87 static const PortId INVALID_PORT_ID = -1;
88
89 private:
90
91 /** Descriptive name (for DPRINTF output) */
92 std::string portName;
93
94 protected:
95
96 /**
97 * A numeric identifier to distinguish ports in a vector, and set
81 private:
82
83 /** Descriptive name (for DPRINTF output) */
84 std::string portName;
85
86 protected:
87
88 /**
89 * A numeric identifier to distinguish ports in a vector, and set
98 * to INVALID_PORT_ID in case this port is not part of a vector.
90 * to InvalidPortID in case this port is not part of a vector.
99 */
91 */
100 const PortId id;
92 const PortID id;
101
102 /** A pointer to the peer port. */
103 Port* peer;
104
105 /** A reference to the MemObject that owns this port. */
106 MemObject& owner;
107
108 /**
109 * Abstract base class for ports
110 *
111 * @param _name Port name including the owners name
112 * @param _owner The MemObject that is the structural owner of this port
113 * @param _id A port identifier for vector ports
114 */
93
94 /** A pointer to the peer port. */
95 Port* peer;
96
97 /** A reference to the MemObject that owns this port. */
98 MemObject& owner;
99
100 /**
101 * Abstract base class for ports
102 *
103 * @param _name Port name including the owners name
104 * @param _owner The MemObject that is the structural owner of this port
105 * @param _id A port identifier for vector ports
106 */
115 Port(const std::string& _name, MemObject& _owner, PortId _id);
107 Port(const std::string& _name, MemObject& _owner, PortID _id);
116
117 /**
118 * Virtual destructor due to inheritance.
119 */
120 virtual ~Port();
121
122 public:
123
124 /** Return port name (for DPRINTF). */
125 const std::string name() const { return portName; }
126
127 /** Get the port id. */
108
109 /**
110 * Virtual destructor due to inheritance.
111 */
112 virtual ~Port();
113
114 public:
115
116 /** Return port name (for DPRINTF). */
117 const std::string name() const { return portName; }
118
119 /** Get the port id. */
128 PortId getId() const { return id; }
120 PortID getId() const { return id; }
129
130 protected:
131
132 /**
133 * Called by a peer port if sendTimingReq, sendTimingResp or
134 * sendTimingSnoopResp was unsuccesful, and had to wait.
135 */
136 virtual void recvRetry() = 0;

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162
163 private:
164
165 SlavePort* _slavePort;
166
167 public:
168
169 MasterPort(const std::string& name, MemObject* owner,
121
122 protected:
123
124 /**
125 * Called by a peer port if sendTimingReq, sendTimingResp or
126 * sendTimingSnoopResp was unsuccesful, and had to wait.
127 */
128 virtual void recvRetry() = 0;

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154
155 private:
156
157 SlavePort* _slavePort;
158
159 public:
160
161 MasterPort(const std::string& name, MemObject* owner,
170 PortId id = INVALID_PORT_ID);
162 PortID id = InvalidPortID);
171 virtual ~MasterPort();
172
173 void bind(SlavePort& slave_port);
174 SlavePort& getSlavePort() const;
175 bool isConnected() const;
176
177 /**
178 * Send an atomic request packet, where the data is moved and the

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300
301 private:
302
303 MasterPort* _masterPort;
304
305 public:
306
307 SlavePort(const std::string& name, MemObject* owner,
163 virtual ~MasterPort();
164
165 void bind(SlavePort& slave_port);
166 SlavePort& getSlavePort() const;
167 bool isConnected() const;
168
169 /**
170 * Send an atomic request packet, where the data is moved and the

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292
293 private:
294
295 MasterPort* _masterPort;
296
297 public:
298
299 SlavePort(const std::string& name, MemObject* owner,
308 PortId id = INVALID_PORT_ID);
300 PortID id = InvalidPortID);
309 virtual ~SlavePort();
310
311 void bind(MasterPort& master_port);
312 MasterPort& getMasterPort() const;
313 bool isConnected() const;
314
315 /**
316 * Send an atomic snoop request packet, where the data is moved

--- 93 unchanged lines hidden --- 		301 virtual ~SlavePort();
302
303 void bind(MasterPort& master_port);
304 MasterPort& getMasterPort() const;
305 bool isConnected() const;
306
307 /**
308 * Send an atomic snoop request packet, where the data is moved

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